| 单词 | wheel-train |
| 释义 | > as lemmaswheel-train wheel-train n. see train n.2 12a. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > set of wheelwork1670 nest1874 wheel-train1888 1888 Cassell's Encycl. Dict. VII. Wheel-train, a number of wheels so arranged that the revolution of one causes the revolution of all. < as lemmas |
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